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If filtration requirement (#1b) is met, is it necessary to provide calculations for #1c?

Pilot-Credits INpc155: Safety First: Design for Indoor Air Quality and Infection Control
posted by Irene García Sáez on Dec 23, 2021, 3:34 pm

Hi everyone! I'm pursuing this pilot credit for a LEED v4 NC office building. The ventilation system and equipment have been carefully designed, so the ventilation rates are above the minimum...

Pilot Credit INpc155

Pilot-Credits INpc155: Safety First: Design for Indoor Air Quality and Infection Control
posted by Roxanne Button on Jul 12, 2021, 4:13 pm

Has anyone attempted this Pilot Credit yet?  Our project is a college science building which was under construction during the COVID-19 shutdown, and already incoporates most of the requirements...

Last reply: Irene García Sáez, Dec 23, 2021, 3:27 pm

Pilot-Credits WEpc94- No Cooling Tower

Pilot-Credits WEpc94: No Cooling Tower
posted by Adriana Hansen on Dec 8, 2021, 6:30 pm

We would like to know if there is an estimated date of closure.

We have many projects that don´t have cooling tower but attends the requirements of the pilot and have the baseline system...

Last reply: Irene García Sáez, Dec 23, 2021, 2:45 pm

where and how to install advanced meters?

NC-v4 EAc3: Advanced Energy Metering
posted by Sara ALIA YOUSSOUFI on Dec 15, 2021, 11:02 am

Dear all,

We have a tower with multi-storey building, made up of 3 components: Offices, hotel and residential. We follow as a reference the " BD+C NC "


Last reply: Sara ALIA YOUSSOUFI, Dec 23, 2021, 5:07 am

Vertical Expansion v. Horizontal Expansion

Healthcare-v4 MRc8: Design for flexibility
posted by Mary Couch on Sep 13, 2018, 3:49 pm

Hello! I'm working on a project and we can only achieve Modular/Movable Casework, Vertical Expansion and Horizontal Expansion. On the LEED Reference guide, v4, It states that we can choose any...

Last reply: Panagiotis Paliouras, Dec 23, 2021, 3:32 am

Potential non-compliance with regulation

NC-v4 EAp1: Fundamental commissioning and verification
posted by Timothy Ian Middleton on Dec 8, 2021, 6:13 am


Last reply: Timothy Ian Middleton, Dec 22, 2021, 11:01 pm

EDP documents

Pilot-Credits MRpc103: Integrative Analysis of Building Materials
posted by David Dixon on Dec 28, 2016, 4:54 pm

working on documentation for the credit I am finding that the documentation in EDPs do not translate to the credit matrix and documenting is not smooth

Last reply: Michelle DiPenti, Dec 22, 2021, 10:58 am

For v4.1 Option 2 Air Testing Path 1 (Particulate Matter and Organic Gases) direct calibrated instrument sampling duration

NC-v4 EQc4: Indoor air quality assessment
posted by james jozwiakowski on Dec 10, 2021, 3:54 pm

New to v4.1

1.What is the expected duration for each sample location when using direct read?   I cannot find any reference in either the ISO methods listed or in LEED 

2. Are...

Last reply: Russ Pellegrino, Dec 22, 2021, 8:57 am

LEED v4.1 rating for warehouse

Warehouses-NC-v4 MPR2: Must use reasonable LEED boundaries
posted by Edeec Ltd on Dec 22, 2021, 3:19 am

Hi all, thanks for help!
I have a question. We have a project for a warehouse, with a design consisting of 5 warehouses. However, in phase 1, the investor only builds 3 warehouses, and the...

Light meter to obtain light reflectance of finishes?

NC-v4 EQc6: Interior lighting
posted by Erin Holdenried on Dec 13, 2021, 3:52 pm

We are having trouble getting light reflectance values from the manufacturer for a number of finishes.  Has anybody tried using some sort of light meter to get the value yourself?

Last reply: Afogreen Build, Dec 22, 2021, 1:47 am